Books in Category: Environmental Issues
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The flow of time in the Connecticut valley : geological imprints
George W. Bain and Howard A. Meyerhoff
415 downloads
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Our Nuclear Future: Facts, Dangers and Opportunities
Edward Teller and Albert L. Latter
414 downloads
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Descripción Geografica, Histórica y Estadística de Bolivia, Tomo 1. (Spanish)
Alcide Dessalines d' Orbigny
413 downloads
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The Story of a Piece of Coal: What It Is, Whence It Comes, and Whither It Goes
Edward A. Martin
412 downloads
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Life in the Shifting Dunes
Laurence B. White
412 downloads
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Wind and Weather
Alexander McAdie
412 downloads
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Noteworthy Mammals from Sinaloa, Mexico
Ticul Alvarez, J. Knox Jones, and M. Raymond Lee
411 downloads
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El Campesino Puertorriqueño
(Spanish)
Francisco del Valle Atiles
409 downloads
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The House Fly and How to Suppress It
L. O. Howard and F. C. Bishopp
408 downloads
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Sewage and sewerage of farm homes [1928]
George M. Warren
408 downloads
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Wild Animals of Yellowstone National Park
Harold J. Brodrick
408 downloads
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Birds and Nature, Vol. 08, No. 4, November 1900
Various
407 downloads
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XII, Heft 1-3 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German)
407 downloads
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Tea Leaves
Francis H. Leggett & Co.
407 downloads
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Atlas de poche des mammifères de la France, de la Suisse romane et de la Belgique
(French)
René Martin
405 downloads
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Illustrated Catalogue of a Portion of the Collections Made During the Field Season of 1881
William Henry Holmes
404 downloads
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The Coming Ice Age
C. A. M. Taber
403 downloads
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Humpback Whales in Glacier Bay National Monument, Alaska
United States. Marine Mammal Commission
403 downloads
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Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910
A. Kempkey
402 downloads
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Cholera and the Water Supply in the South Districts of London in 1854
John Snow
402 downloads
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The Great Round World and What Is Going On In It, Vol. 1, No. 49, October 14, 1897
Various
401 downloads
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De drooglegging der Zuiderzee. Het plan J. Ulehake contra het plan C. Lely (Dutch)
J. Ulehake
400 downloads
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The Chickamauga Dam and its environs
Robert Sparks Walker
400 downloads
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Report on the Migration of Birds in the Spring and Autumn of 1887. Ninth Report
J. A. Harvie-Brown, John Cordeaux, Richard Manliffe Barrington, Alexander Goodman More, and William Eagle Clarke
400 downloads
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Rocky Mountain National Park, Colorado
Edwin C. Alberts
398 downloads